Finding the Fourth Proportional to 935,786.76, 1,403,805.24 and 328,430.94
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Solution
The fourth proportional to 935,786.76, 1,403,805.24 and 328,430.94 is: 492,690.32
Step by Step Solution
- Step 1: Write the proportion equation
935,786.76 : 1,403,805.24 = 328,430.94 : x - Step 2: Convert to fraction form
935,786.76/1,403,805.24 = 328,430.94/x - Step 3: Cross multiply
935,786.76x = 1,403,805.24 × 328,430.94 - Step 4: Simplify right side
935,786.76x = 461,053,074,550.13 - Step 5: Solve for x
x = 461,053,074,550.13/935,786.76 - Step 6: Final answer
x = 492,690.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.